Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5557473 | Wide angle lens | Yoshikazu Sugiyama | 1996-09-17 |
| 5539581 | Zoom lens system | — | 1996-07-23 |
| 5517361 | Zoom lens system | Kiyotaka Inadome, Masahiro Nakatsuji, Hideo Kanno | 1996-05-14 |
| 5485314 | Standard zoom lens | — | 1996-01-16 |
| 5452134 | Zoom lens of two-unit construction | — | 1995-09-19 |
| 5440430 | Five-element telescopic zooming lens | — | 1995-08-08 |
| 5434713 | Fisheye lens having a short distance compensating function | — | 1995-07-18 |
| 5412507 | Great aperture zoom lens | — | 1995-05-02 |
| 5381268 | Compact wide angle zoom lens | — | 1995-01-10 |
| 5329402 | Wide-angle zoom lens | — | 1994-07-12 |
| 5329401 | Super wide angle zoom lens | — | 1994-07-12 |
| 5191476 | Great relative aperture zoom lens | — | 1993-03-02 |
| 5181959 | High-concentration starch adhesive | Shigeki Nagai, Nagahisa Karube | 1993-01-26 |
| 5126883 | Telephoto zoom lens | Yoshinari Hamanishi | 1992-06-30 |
| 5076677 | Zoom lens | — | 1991-12-31 |
| 4957355 | Retrofocus type lens system | — | 1990-09-18 |
| 4916221 | Fluorine-containing protoporphyrin derivatives and their salts | Itsumaro Kumadaki, Akira Ando | 1990-04-10 |
| 4885123 | Apparatus for handling constituent elements of reactor core | Hisaaki Ikeuchi, Manabu Madokoro, Takashi Jodoi | 1989-12-05 |
| 4747686 | Method and apparatus for performing novel high-performance liquid chromatography | — | 1988-05-31 |
| 4634557 | Deuteroporphyrin derivative or salt thereof | — | 1987-01-06 |